Offices Closed for Christmas: All county offices will be closed on Monday, Dec. 24, and Tuesday, Dec. 25, for the holiday. This includes parks offices, public works, courts and all other administrative offices. Offices will re-open Wednesday, Dec. 26.

Epidemiology & Disease Reporting

Information on Notifiable Conditions

Suspected, probable and confirmed notifiable conditions must be reported by physicians and health professionals to Collin County Health Care Services as mandated by the Texas Department of State Health Services.

Physicians and/or medical providers can report notifiable conditions by calling Collin County Epidemiology and Surveillance at 972-548-4707 or by faxing their report to 972-548-4436.

Available Reporting Forms

Suspected Zika Reporting Form.pdf

EPI Reporting Form 2018.pdf

Varicella Reporting Form Collin County.pdf



Disease and Conditions (Center for Disease Control and Prevention)
Bioterrorism Agents and Diseases (Center for Disease Control and Prevention)
Infectious Disease Control Unit (Texas Department of State Health Services)